The master said: A woman came for a pulse diagnosis, and instead of the normal pulse, a faint and hesitant pulse was detected. According to the principles, this should indicate vomiting or diarrhea, but she denied having either. Upon inquiry, it was found that the woman was forty-nine years old, an age at which menstruation should have ceased. However, her menstrual flow had not stopped, leading to this condition of deficiency.